Chicago

Violence Reduction - Shotspotter AlertsThis dataset contains all ShotSpotter alerts since the introduction of ShotSpotter to some Chicago Police Department (CPD) districts in 2017. ShotSpotter is a gunshot detection system designed to automatically determine the location of potential outdoor gunfire. ShotSpotter audio sensors are placed in several CPD districts throughout the city (specific districts are noted below). If at least three sensors detect a sound that the ShotSpotter software determines to be potential gunfire, a location is determined and the alert is sent to human ShotSpotter analysts for review. Either the alert is sent to CPD, or it is dismissed. Each alert can contain multiple rounds of gunfire; sometimes there are multiple alerts for what may be determined to be one incident. More detail on the technology and its accuracy can be found on the company’s website <a href="https://www.shotspotter.com">here</a>. It should also be noted that ShotSpotter alerts may increase year-over-year while gun violence did not necessarily increase accordingly because of improvements in detection sensors. ShotSpotter does not exist in every CPD district, and it was not rolled out in every district at the same time. ShotSpotter was first deployed in Chicago in 2017, and sensors exist in the following districts as of the May 2021 launch of this dataset: 002, 003, 004, 005, 006, 007, 008, 009, 010, 011, 015, and 025.Visit the full page to view this data.

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The Socrata Open Data API (SODA) provides programmatic access to this dataset including the ability to filter, query, and aggregate data. For more more information, view the API docs for this dataset or visit our developer portal

API Endpoint:

Field Names:

DATE: date
BLOCK: block
ZIP_CODE: zip_code
WARD: ward
COMMUNITY_AREA: community_area
AREA: area
DISTRICT: district
BEAT: beat
STREET_OUTREACH_ORGANIZATION: street_outreach_organization
UNIQUE_ID: unique_id
MONTH: month
DAY_OF_WEEK: day_of_week
HOUR: hour
INCIDENT_TYPE_DESCRIPTION: incident_type_description
ROUNDS: rounds
ILLINOIS_HOUSE_DISTRICT: illinois_house_district
ILLINOIS_SENATE_DISTRICT: illinois_senate_district
LATITUDE: latitude
LONGITUDE: longitude
LOCATION: location
Zip Codes: :@computed_region_6mkv_f3dw
Census Tracts: :@computed_region_bdys_3d7i
Wards: :@computed_region_43wa_7qmu
Police Districts: :@computed_region_d9mm_jgwp
Police Beats: :@computed_region_d3ds_rm58
Boundaries - ZIP Codes: :@computed_region_rpca_8um6
Community Areas: :@computed_region_vrxf_vc4k

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Socrata OData documentation

Tableau users should select the OData v2 endpoint option.

Chicago

API Endpoint:

Field Names:

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